FI884262A - FREQUENCY DEMODULATOR UTFOERD MED PLL-TEKNIK. - Google Patents

FREQUENCY DEMODULATOR UTFOERD MED PLL-TEKNIK. Download PDF

Info

Publication number: FI884262A
Authority: FI; Finland
Prior art keywords: utfoerd; teknik; pll; med; frequency demodulator
Prior art date: 1987-09-19

Application number

FI884262A

Other languages

Finnish (fi)

Other versions

FI884262A0 (en

Inventor

Antoine Pery

Jean-Claude Rufray

Original Assignee

Thomson Brandt Gmbh

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1987-09-19

Filing date

1988-09-16

Publication date

1989-03-20

1988-09-16 Application filed by Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh

1988-09-16 Publication of FI884262A0 publication Critical patent/FI884262A0/en

1989-03-20 Publication of FI884262A publication Critical patent/FI884262A/en

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
- H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
- H03L7/143—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted by switching the reference signal of the phase-locked loop
- H03L7/145—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted by switching the reference signal of the phase-locked loop the switched reference signal being derived from the controlled oscillator output signal
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0041—Functional aspects of demodulators
- H03D2200/0047—Offset of DC voltage or frequency
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0041—Functional aspects of demodulators
- H03D2200/0052—Digital to analog conversion
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
- H03D2200/0041—Functional aspects of demodulators
- H03D2200/0082—Quadrature arrangements

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Processing Of Color Television Signals (AREA)
Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Color Television Systems (AREA)

FI884262A 1987-09-19 1988-09-16 FREQUENCY DEMODULATOR UTFOERD MED PLL-TEKNIK. FI884262A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19873731567 DE3731567A1 (en)	1987-09-19	1987-09-19	FREQUENCY DEMODULATOR IN PLL TECHNOLOGY

Publications (2)

Publication Number	Publication Date
FI884262A0 FI884262A0 (en)	1988-09-16
FI884262A true FI884262A (en)	1989-03-20

Family

ID=6336400

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI884262A FI884262A (en)	1987-09-19	1988-09-16	FREQUENCY DEMODULATOR UTFOERD MED PLL-TEKNIK.

Country Status (5)

Country	Link
EP (1)	EP0308709A1 (en)
JP (1)	JPH01144707A (en)
KR (1)	KR890005971A (en)
DE (1)	DE3731567A1 (en)
FI (1)	FI884262A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ES2081365T3 (en) *	1990-02-14	1996-03-01	Siemens Ag	PROCEDURE FOR THE DEMODULATION OF CODED-SECAM COLORED TELEVISION SIGNS WITH LINKED CYCLE OF LINES AND CIRCUIT PROVISION FOR THE PERFORMANCE OF THE PROCEDURE.
JP2953854B2 (en) *	1992-01-27	1999-09-27	日本電気株式会社	FM demodulation circuit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT986172B (en) *	1973-06-18	1975-01-20	Fatme Spa	AUTOMATIC SYNCHRONIZATION DEVICE FOR ONE OSCILLATOR IN PARTICULAR FOR TELE COMMUNICATION SYSTEMS
FR2530900A1 (en) *	1982-07-23	1984-01-27	Thomson Csf	CLOCK FREQUENCY RECOVERY DEVICE ADAPTED FOR HIGH FREQUENCY RADIOCOMMUNICATIONS IN DISTURBED MEDIA
DE3243014C2 (en) *	1982-11-20	1985-01-24	Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen	Circuit arrangement for demodulating SECAM color difference signals

1987
- 1987-09-19 DE DE19873731567 patent/DE3731567A1/en not_active Withdrawn
1988
- 1988-09-03 EP EP88114400A patent/EP0308709A1/en not_active Withdrawn
- 1988-09-16 FI FI884262A patent/FI884262A/en not_active Application Discontinuation
- 1988-09-19 JP JP63232759A patent/JPH01144707A/en active Pending
- 1988-09-19 KR KR1019880012084A patent/KR890005971A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
KR890005971A (en)	1989-05-18
DE3731567A1 (en)	1989-04-06
FI884262A0 (en)	1988-09-16
EP0308709A1 (en)	1989-03-29
JPH01144707A (en)	1989-06-07

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Legal Events

Date	Code	Title	Description
2004-08-31	FA	Application withdrawn	Owner name: DEUTSCHE THOMSON-BRANDT GMBH